Devoted - Roget's
These definitions come from The American Heritage Dictionary of the English Language (c.1969, 1981). William Morris, Ed. Boston: Houghton Mifflin. See Wikipedia.
addict To devote or give (oneself) habitually or compulsively.
affectionate Having or showing fond feelings or affection; loving; tender.
aloof distant, especially in one's relations with other people; indifferent.
attached 5. To bind by personal ties, as of affection or loyalty.
attachment 3. Fond regard; affection.
attentive 2. Courteous or devoted; considerate; thoughtful.
chilly 3. Distant and cool; unfriendly.
cling To hold fast or adhere to something, as by grasping, sticking, or entwining. 2.a. To stay near; remain close. b. To resist separation. 3. To hold on; remain attached.
cold 8. Not affectionate or enthusiastic; aloof.
considerate 1. Having regard for the needs or feelings of others. 2. characterized by careful thought; deliberate.
constant 3. Steadfast in purpose, loyalty, or affection; faithful.
detached 1. Standing apart from others; disconnected; separate.
devoted 1. Feeling or displaying strong affection or attachment; selflessly loyal; ardent. 2. Consecrated; dedicated. Archaic Doomed.
disloyal Lacking in loyalty [faithless].
dote 1. To lavish excessive love or fondness. 2. To be foolish or feeble-minded, especially as a result of senility.
faithful 1. Adhering strictly to the person, cause, or idea to which one is bound; dutiful and loyal. 2. Worthy of trust or credence; consistently reliable. 3. Consistent with truth or actuality; accurate exact.
faithless 1. Untrue to duty or obligation; breaking faith; disloyal. 2 lacking confidence or trust in a given person or cause.
false 5. Not keeping faith; treacherous
fond 1. Affectionate; tender. 2. having a tender interest or affection. 3. Immoderate or irrationally affectionate; infatuated; doting. 4. Cherished; dear. 5. Archaic Naively credulous or dependent; foolish.
frigid 2. Lacking warmth of feeling; stiff and formal in manner.
indifferent 4. Having no particular interest in or concern for; apathetic.
loving 1. Feeling love; affectionate; devoted. 2. Indicative of or exhibiting love.
loyal 1. Steadfast in allegiance to one's homeland, government, or sovereign. 2. Faithful to a person ideal, or custom.
neglectful Characterized by neglect; careless; heedless.
true 5. Faithful, as to a friend, vow, or cause; steadfast; loyal.
uncommitted 1. Not pledged to a specific cause or action.
unconcerned 1. Not interested; indifferent.
unfaithful 1. Not adhering to a pledge or contract; disloyal. 2. Not true or constant to a sexual partner; specifically, guilty of adultery.